<table class="table table-bordered">
    <tr>
        <td><b>颜色</b></td>
        <td><b>尺寸</b></td>
        <td><b>材质</b></td>
        <td><b>价格</b></td>
        <td><b>库存</b></td>
    </tr>
    <foreach name="spec_arr" key="k" item="v">
        <tr>
            <>
            <td>{$v[0]}</td>
            <td>S</td>
            <td>M</td>
            <td>羽绒</td>
            <td>天鹅毛</td>
        </tr>
    </foreach>
</table>